Definition Pseudotumor cerebri (aka Idiopathic Intracranial Hypertension) commonly causes headache, papilledema, and visual symptoms (and enlarged blind spot) in the setting of isolated elevations in ICP. Several mechanisms have been considered as possible explanations for the pathophysiology of IIH. These include an increased rate of CSF formation, a sustained increase in intracranial venous pressure, or […]